126854545458621 has 8 divisors (see below), whose sum is σ = 169140095451904. Its totient is φ = 84569346218880.

The previous prime is 126854545458521. The next prime is 126854545458731.

126854545458621 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 126854545458621 - 2²⁵ = 126854511904189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126854545458521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86843341 + ... + 88291986.

It is an arithmetic number, because the mean of its divisors is an integer number (21142511931488).

Almost surely, 2^{126854545458621} is an apocalyptic number.

It is an amenable number.

126854545458621 is a deficient number, since it is larger than the sum of its proper divisors (42285549993283).

126854545458621 is a wasteful number, since it uses less digits than its factorization.

126854545458621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175376771.

The product of its digits is 368640000, while the sum is 66.

The spelling of 126854545458621 in words is "one hundred twenty-six trillion, eight hundred fifty-four billion, five hundred forty-five million, four hundred fifty-eight thousand, six hundred twenty-one".